Yarn cleaner



A. C. BERGREN June 12, 1923.

YARN CLEANER Filed A112. 20 1921 Patented June 12, 1923.

- 1 UNITED- STATES ANTON c. BERGREN, or JAMEsrowN, new YORK.

; YARN CLEANER.

.App licatiomfile'd August 20,1921. seen n. 493,940.

To all whom it may concern:

Be it known that I, ANTON'G. BERGREN, a. citizen of the United States, residing at the'city of Jamestown,- inzthe county of Chautauqua and'State of New York, have invented certain new and useful Improve ments in Yarn Cleaners, of which the following, taken in connection with the accompanyingdrawings, is a specification.

The invention'relates to devices for the removal of knots and bunches or, slubs from yarn and the ob-jectof the improvement is to provide a slub detector: which is adjustable in its relation to the yarn and which the slubautomatically actuates to catch and break-the yarn; and second,,to provide a slub detector of such..simple construction that the movable leaves may be largely struck up from sheet metal by means of suitable dies, therebygreatly-reducing the cost and at the sameitime providing parts of great durability and simplicity of adjustment; and the invention consists in the novel features and combinations hereinafter set forth and claimed.

In the drawings, Figure 1 is an end elevation of the yarn cleaner with the movable leaves in normal position and a slub about to engage the same; Fig. 2 is a similar end elevation with said leaves in the positions assumed by their action in breaking the yarn, showing the broken yarn and the slub with said leaves holding the yarn end. Fig. 3 is a top plan view of the slub detector. Fig. 4 is a perspective view of the rear leaf showing the preferred design for the same; Fig. 5 is a perspective view of the front leaf as struck up from sheet metal. Fig. 6 is a front elevation of the slub catcher with the yarn passing therethrough. Fig. 7 is a rear elevation of the slub detector. Fig.

8 is a'sectional view of the slub detector at. line 8-8 in Fig. 6 with the leaves about to be actuated by a slub; and Fig. 9. is a sectional view at line 9--9 in Fig. 7 after said slub detecting leaves have been actuated by said slub or bunch in the yarn.

Like characters of reference refer to corresponding parts in the several VlBWS.

The numeral 10 deslgnates the frame or support which is preferably of cast metal.

' and provided with the lengthwise opening 11 on its under side to receive the supporting bar or rod 12 of the spinning machine,

.tuated by a slub or knot.

The yarn lL Wllf/h the slub 15 passes throu h over the upper surface of the, frame 10. aid frame 10. has an upwardly ex- 7 tending end portion 21 upon the inner side of which the leaves 16. and'17 are pivot'ally mounted by means of a-screw bolt 18 of suitable length.

Said leaves 16 and 17 are provided with, the perforate end'lugs, 22 on. the front leaf per edges of the leave-s 16 and 17. The front leaf 16 is sufficiently :longer than the rear leaf 17 to pivotally attach the rear leaf 17-within the lugs 22 onsaid front leaf 16,

the lug 24 on the rear leaf 17 having-a lug 25 which engages the upper edge of the frontleaf 16, thereby limiting the upward pivotal action ofthe rear leaf 1-7 when 210- The downward pivotal action ofsaidrear leaf 17 isregulated by means of a set screw 19 and the set nut 20 which extends through the lower portion of the rear leaf 17 a suf- .will pass through beneath said front leaf 16. The set screw 19 with nut 20 also perupon the rear leaf 17 turns said rear leaf upward, causing thelug 25 to strike upon the upper edge of the front leaf 16, thereby. causing said front leaf,16 to press downward upon the yarn 14, breaking or cutting thesarne through the violence-of the upward impetus given by said leaf 17 from the swiftly moving yarn 14; and the pull of the slub or knot 15.

- It is therefore apparent that the set screw 19 withits set nut performs a triple office as stated; that is, limiting the downward movement of the rear leaf 17 adjusting the normal position of the front leaf 16 above the yarn 14, with a slight space as shown at 26 in Figs. 1 and 8 between the lower edge of the leaf 16 and said yarn so that a slub or knot will pass between said lower edge of the leaf 16 and the upper surface of the frame 10; and third, to so weight the lower edge of the leaf 1? that it will normally ride upon the yarn as it swiftly draws through beneath the same over the smooth surface of the frame piece 10.

lVhat is claimed as new is:

1. In a device of the class described, a frame and means for attaching said frame to a winding frame, a fixed portion of said frame for the yarn to run over, a slub catcher having two independently movable leaves hinged on said frame above said fixed portion to shut thereonto, and means on one of said leaves to cause the other leaf to shut onto the yarn and clamp itagainst said fixed portion when said first named leaf is engaged by the slub.

2. In a device of the class described, a frame and means for attaching said frame to a winding frame, a fixed portion of said frame for the yarn to run over, a slub catcher having front and rear perforate lug ended leaves hinged on said frame above said fixed portion to shut thereonto, a set screw on said rear leaf to adjust the distance between the lower portions of said front and rear leaves to normally raise said front leaf pivotally mounted on said screw to shut onto 1 I said flat surface, an adjusting screw with set nut on said rear leaf to normally adjust said front leaf above the yarn and cause said rear leaf to ride on the yarn, and a lug on said rear leaf extending over the top of said frontleaf to cause said from leaf to move downward onto the yarn and clamp it against said flat surface when said rear leaf is turned upward by the pull of a knot or slub.

In testimony whereof I have affiXed my signature in the presence of two witnesses.

ANTON C. BERGREN.

Witnesses:

C RINNE V. SWANsoN, A. W. KETTLE. 

